BLUE part numbers are new for 2026 ENGINE DRAGSPECIALTIES.COM FATBOOK UPDATE | 2026 ENGINE SECTION 7 FATBOOK DISCLAIMER: *EMIS (EMISSIONS CATEGORIZATION CODE). SEE PAGES 3-5 FOR CATEGORY CODES, IMPORTANT EPA/CARB EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND NOTICE REGARDING NOISE REGULATIONS. PRODUCTS NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES IF NOT CATEGORIZED AS “1” OR “4”. 81 PART # DESCRIPTION EMIS* W/ CHAIN DRIVE CAM 0925-1633 w/ chrome pushrod tubes 3 0925-1634 w/ black pushrod tubes 3 W/ GEAR DRIVE CAM 0925-1635 w/ chrome pushrod tubes 3 0925-1636 w/ black pushrod tubes 3 PART # DESCRIPTION EMIS* W/ CHAIN DRIVE CAM 0925-1637 w/ chrome pushrod tubes 3 0925-1638 w/ black pushrod tubes 3 W/ GEAR DRIVE CAM 0925-1639 w/ chrome pushrod tubes 3 0925-1640 w/ black pushrod tubes 3 GEAR DRIVE AND CHAIN DRIVE 496 CAM CHEST KITS FOR M-EIGHT •All parts in each kit are matched to ensure superior quality, fit, finish and performance •Oil pump and cam plate are precision-machined from billet aluminum with a blue anodized finish •Passage plugs are removable for servicing •Independent scavenge sections for the flywheel cavity and cam chest •Debris screens in both scavenge pickups •Increased oil flow capacity on both the feed and scavenge sides •Adjustable pressure relief valve is adjustable with the unit installed in the engine •S&S Quickee Pushrods with chrome or gloss black pushrod tubes •S&S premium tappets •Billet aluminum tappet cuffs have a hard-anodized black coating and are stronger than stock to eliminate distortion FOR 17-25 OIL-COOLED M-EIGHT (EXCEPT CVO 121”) GEAR DRIVE KITS FOR 17-25 WATER-COOLED M-EIGHT (EXCEPT CVO 121”) •Improves tappet stability in high-lift situations •496 cams are compatible with stock or S&S rocker arms and springs •Compatible with round or oval port valve springs • Boost power and gives a racy, aggressive sound at idle • All kits include necessary gaskets, bearings and hardware required for a complete installation •Made in the U.S.A. •See page 825 of the 2026 Drag Specialties FatBook for additional cam chest kits for M-Eight 0925-1636 0925-1633
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